Montgomery County Population 2017

Montgomery County's estimated population is 1,043,863 with a growth rate of 0.74% in the past year according to the most recent United States census data. Montgomery County is the 1st largest county in Maryland.

Year Population Growth Growth Rate
20161,043,8637,6300.74%
20151,036,2338,4530.82%
20141,027,78010,0210.98%
20131,017,75911,5411.15%
20121,006,21813,2901.34%
2011992,92816,6071.70%
2010976,321219,29428.97%
1990757,027177,97430.74%
1980579,05356,24410.76%
1970522,809181,88153.35%
1960340,928176,527107.38%
1950164,40180,48995.92%
194083,91234,70670.53%
193049,20614,28540.91%
192034,9212,8328.83%
191032,0891,6385.38%
190030,4513,26612.01%
189027,1852,4269.80%
188024,7594,19620.41%
187020,5632,24112.23%
186018,3222,46215.52%
185015,8604042.61%
184015,456-4,360-22.00%
183019,8163,41620.83%
182016,400-1,580-8.79%
181017,9802,92219.40%
180015,058-2,945-16.36%
179018,0030.00%

Montgomery County Population Growth

Population Data via

Montgomery County Race Data

Race Population Percentage
White637,00261.02%
Black or African American198,68719.03%
Asian157,83515.12%
Two or More Races34,3233.29%
American Indian and Alaska Native7,3740.71%
Native Hawaiian and Other Pacific Islander1,0120.10%

Montgomery County Population Pyramid

0k10k20k30k40kMontgomery County Male Population0k10k20k30k40kMontgomery County Female Population

Population of Cities in Montgomery County

City 2010 Census 2016 Estimated Growth Growth Rate
Gaithersburg5990567776787113.14%
Rockville612506694056909.29%
Takoma Park167221776510436.24%
Poolesville485451903366.92%
Chevy Chase282429891655.84%
Kensington223923791406.25%
Garrett Park9871046595.98%
Washington Grove529564356.62%
Glen Echo255269145.49%
Barnesville17317963.47%
Brookeville12813243.13%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990